Home / 156,542,974.76-234,733,998.66-82,806,407.91

Finding the Fourth Proportional to 156,542,974.76, 234,733,998.66 and 82,806,407.91

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Solution

The fourth proportional to 156,542,974.76, 234,733,998.66 and 82,806,407.91 is: 124,167,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,542,974.76 : 234,733,998.66 = 82,806,407.91 : x
  2. Step 2: Convert to fraction form
    156,542,974.76/234,733,998.66 = 82,806,407.91/x
  3. Step 3: Cross multiply
    156,542,974.76x = 234,733,998.66 × 82,806,407.91
  4. Step 4: Simplify right side
    156,542,974.76x = 19,437,479,243,346,848
  5. Step 5: Solve for x
    x = 19,437,479,243,346,848/156,542,974.76
  6. Step 6: Final answer
    x = 124,167,049.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.